Falangafone Electric Imp Code

Agent

http.onrequest(function(req, resp) {
    if (req.path=="/update"){
        if ("n" in req.query) {
            local currentSong = req.query["n"].tointeger();
            device.send("led0", currentSong % 2);
            device.send("led1", currentSong/2 % 2);
            device.send("led2", currentSong/4 % 2);
            device.send("led3", currentSong/8 % 2);
            device.send("led4", currentSong/16 % 2);
        }
    }
    resp.send(200, "OK")
});
 
device.on("button", function(state) {
    http.get("http://131a46b7.ngrok.com/toggle").sendasync(function(resp) {
        server.log(resp.statuscode);
    });
});

Device

led1 <- hardware.pin1;
led1.configure(DIGITAL_OUT, 0);
led2 <- hardware.pin2;
led2.configure(DIGITAL_OUT, 0);
led3 <- hardware.pin5;
led3.configure(DIGITAL_OUT, 0);
led4 <- hardware.pin7;
led4.configure(DIGITAL_OUT, 0);
led5 <- hardware.pin8;
led5.configure(DIGITAL_OUT, 0);
 
agent.on("led0", function(state) {
    led1.write(state);
});
agent.on("led1", function(state) {
    led2.write(state);
});
agent.on("led2", function(state) {
    led3.write(state);
});
agent.on("led3", function(state) {
    led4.write(state);
});
agent.on("led4", function(state) {
    led5.write(state);
});
 
btn <- hardware.pin9;
btn.configure(DIGITAL_IN_PULLUP, function() {
    local state = btn.read();
    if (state==0) {
        agent.send("button", state);
    }
});